How many GB does you have for now?
I have a 1.5TB external, 2TB internal, 500GB in new laptop, 250GB in netbook. Planned to get 2.5 inches external HDD soon. Will compare Cost/GB.
No NAS and also, 2 x 320 GB (1 might RIP liao) for "backup" Seem like I HDD crazy liao (Esp price so low nowadays! )